August Weather in Olympia, United States

Last updated: February 24, 2025

In August, Olympia, United States experiences a warm and inviting climate, with maximum temperatures reaching 34°C (93°F) and an average of 19°C (66°F). The minimum temperature dips to a cool 9°C (49°F), providing a pleasant respite during the nights. Rainfall is relatively low, with an average precipitation of 12 mm (0.5 in) occurring across just 2 days, allowing for ample sunshine. The humidity level hovers around a comfortable 73%, contributing to the overall enjoyable atmosphere of this summer month in Olympia.

August Temperature in Olympia

In August, Olympia experiences a delightful transition into summer, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 34°C (93°F). The average temperature reaches a comfortable 19°C (66°F), making it one of the warmest months of the year. This warmth is a notable increase from the cooler winter months, reflecting a steady rise in temperatures throughout the year. Compared to July, August continues to embrace the heat, although the rise in minimum temperatures suggests a slightly cooler start to the day. With long, sunny days, coffee shops buzzing, and outdoor activities in full swing, August epitomizes the vibrant summer spirit that defines Olympia. The climate is perfect for enjoying the area's stunning scenery, encouraging both locals and visitors to savor everything this beautiful region has to offer.

August Weather in Olympia: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Olympia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424145505661656661524641
Data source: Temperature data for Olympia generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Olympia

In August, Olympia experiences a notable shift towards drier weather, marking one of the lowest precipitation levels of the year with just 12 mm (0.5 in) of rain over 2 days. This stark contrast to the heavily rainy months of fall and winter highlights the transition into the typically dry summer season. Following a peak in rainfall during January with 197 mm (7.8 in), Olympia's precipitation steadily decreases until July, when it reaches a mere 9 mm (0.4 in). As the month of August progresses, residents and visitors can enjoy the relatively dry conditions before the rainy season resumes in September, bringing 88 mm (3.5 in) of precipitation over 10 days. Such patterns reflect Olympia's seasonal rhythms, showcasing a brief respite from the persistent rainfall that defines much of the year.

August Precipitation Trends in Olympia

The chart displays monthly precipitation patterns in Olympia, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec197155134117655191288134192203
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Olympia

In August, Olympia experiences a notable dip in humidity, with levels dropping to 73%—the lowest for the year. This decrease marks a trend of decreasing humidity from the highs of January (86%) and November (86%), creating a more comfortable atmosphere during late summer. As the months progress from July’s 82% to September’s 74%, it becomes evident that the humidity is gradually stabilizing, hinting at the transition towards the wetter months ahead. The shift in humidity underscores the region's seasonal variations, making August a refreshing reprieve before the autumn rains arrive.

August Average Humidity in Olympia

This chart illustrates the average monthly humidity levels in Olympia, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%85%83%84%84%82%73%74%83%86%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Olympia

As summer reaches its peak in Olympia, August presents a UV Index of 8, categorizing it as very high and reflecting a slight decline from the soaring values of previous months. With a burn time of just 15 minutes, sun exposure should be approached with caution, similar to the intense July conditions. This trend highlights the potential dangers of UV radiation during the warm summer months, emphasizing the importance of sun protection as the UV Index remains elevated even as the season begins to transition. For detailed information about the UV Index in Olympia throughout the year, check out Olympia UV Index.

Maximum UV Index Levels in Olympia for August

The chart shows the monthly maximum UV Index (UVI) for Olympia in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Olympia August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Olympia

As summer wanes, August in Olympia showcases a remarkable 330 hours of sunshine, keeping the vibrant energy of the season alive. This month sees a slight decline from July’s peak of 362 hours, yet it still stands out as one of the sunniest times of the year, following the upward trend that starts in the early months. Beginning with a modest 83 hours in January, the region experiences a steady increase, with brightening days contributing significantly to the 300 hours in May and 318 hours in June. As summer gives way to autumn in September, sunshine hours dip to 257, hinting at the impending seasonal shift. This cycle not only reflects the beauty of Olympia’s summers but also sets the stage for the cozy, overcast months to follow.

Monthly Sunshine Duration in Olympia: August Highlighted

The August sunshine duration represents the total number of hours Olympia experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec83h129h209h231h300h318h362h330h257h199h121h97h
Data source: Olympia August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Olympia During August

In August, Olympia experiences a notable decline in sunny weather compared to the peak of July, which boasts a 60% chance of sun. With a 48% likelihood of clear skies in August, residents and visitors can still enjoy pleasant summer days, albeit slightly reduced. This trend reflects a gradual shift in weather patterns as the summer season wanes; earlier months like June and July provide the best chances for sunshine, while the onset of fall brings increased cloudiness and precipitation. Thus, while August retains a significant chance of sun, it signals the transition towards the wetter months ahead.

Percentage of Sunny Days in August in Olympia

The chart illustrates the percentage of sunny days in Olympia throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Olympia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec13%20%31%47%34%54%60%48%35%23%14%12%
Data source: Olympia August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Olympia in August

In August, Olympia experiences a delightful 14 hours of daylight, reflecting a gradual decline from the peak of summer. This month showcases a notable trend as the days begin to shorten from the sunlit heights of June and July, which each enjoy a maximum of 15 hours. As the sun dips earlier, there's a gentle transition toward the autumn months, highlighted by a significant change from the ample light of May and June, which both bask in around 15 hours. The progression from the vibrant 15 hours in peak summer to 14 hours in August signals an impending shift, as September brings a further reduction to 12 hours. This gradual change encapsulates the rhythm of the seasons, where every increment of daylight invites a deeper appreciation for the fleeting warmth of summer.

Average Daylight Hours in Olympia for August

The chart illustrates the variation in daylight duration in Olympia throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 59m10h 18m11h 57m13h 38m15h 5m15h 49m15h 24m14h 6m12h 29m10h 48m9h 19m8h 33m
Data source: Olympia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Olympia

In August, Olympia experiences a slight uptick in wind speed, averaging 2.7 m/s (6 mph), which is just above the summer lows of 2.4 m/s (5 mph) recorded in both June and July. This gentle breeze often provides a refreshing counterpoint to the warm summer days, hinting at the transition to autumn. As the seasons shift, September's winds moderate down to an average of 2.5 m/s (6 mph), before gradually increasing again in October. Overall, while the wind speeds in Olympia remain relatively calm throughout the summer, August marks a subtle rise that foreshadows the more blustery conditions approaching later in the year.

Average August Wind Speed in Olympia

The chart displays monthly wind speed patterns in Olympia, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.42.62.52.52.42.42.7 m/s2.52.83.13.2
Data source: Olympia August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Olympia Compares to Other Months

The weather in Olympia changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Olympia and find detailed weather information for every month.

August and January present strikingly different weather patterns. In August, temperatures range from a pleasant minimum of 9°C (49°F) to a maximum of 34°C (93°F), with an average of 19°C (66°F). This month also sees relatively low precipitation, totaling just 12 mm (0.5 in) over about 2 days, accompanied by a moderate humidity level of 73%. In contrast, January experiences much cooler temperatures, with a minimum of -6°C (21°F), an average of 5°C (42°F), and a maximum of 14°C (57°F). This winter month is characterized by significantly higher precipitation, reaching 197 mm (7.8 in) across 16 days, and a higher humidity level of 86%. For a closer look at January's climate specifics, you can check Olympia weather in January.

When comparing the weather in August and February, there's a stark contrast in temperatures and precipitation. August typically enjoys a warm climate, with average temperatures ranging from a cool 9°C (49°F) at night to a sizzling 34°C (93°F) during the day. The month sees minimal rainfall, with only 12 mm (0.5 in) spread over just two days, and a humidity level of 73%. In contrast, February presents a much cooler scenario, with average temperatures between -5°C (23°F) and 14°C (58°F). This month experiences significantly higher precipitation, totaling 155 mm (6.1 in) over 17 days, plus a higher humidity of 84%. For more detailed information on February weather specifically in Olympia, visit Olympia weather in February.

August and March present contrasting weather patterns, showcasing the transition from summer to early spring. In August, temperatures range from a mild 9°C (49°F) to a warm 34°C (93°F), with a relatively low precipitation of 12 mm (0.5 in) over just 2 days, resulting in a moderate humidity level of 73%. In contrast, March features cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 22°C (73°F), accompanied by significantly higher precipitation of 134 mm (5.3 in) spread across 16 days, leading to increased humidity at 85%. For more details on March weather, you can visit Olympia weather in March.

When comparing the weather in August and April, notable differences emerge. August boasts warmer temperatures, with a minimum of 9°C (49°F), an average of 19°C (66°F), and a maximum reaching 34°C (93°F). In contrast, April sees cooler weather, where temperatures can dip to -1°C (31°F) at night and peak at 25°C (78°F) during the day. While August experiences relatively low precipitation with only 12 mm (0.5 in) across just 2 days, April is significantly wetter, receiving 117 mm (4.6 in) over 14 days. Additionally, the humidity levels in August average around 73%, slightly lower than April's 83%. For more detailed insights into the weather variations, you can check Olympia weather in April.

When comparing the weather between August and May, we see a notable difference in temperatures and precipitation patterns. In August, temperatures range significantly with a minimum of 9°C (49°F), an average of 19°C (66°F), and a maximum of 34°C (93°F), complemented by relatively low precipitation of just 12 mm (0.5 in) over 2 days. Conversely, May experiences cooler temperatures, with a minimum of 4°C (40°F), an average of 13°C (56°F), and a maximum of 29°C (85°F). Additionally, May is much wetter, receiving 65 mm (2.6 in) of rain over 9 days, along with higher humidity levels at 84%, compared to August's 73%. For more specific details, you can check out Olympia weather in May.

When comparing the weather in August and June, a few notable differences arise. August tends to be warmer overall, with an average temperature of 19°C (66°F) and a maximum reaching 34°C (93°F), while June has a lower average of 16°C (61°F) but can spike to an impressive 40°C (104°F). Rainfall is significantly reduced in August, with only 12 mm (0.5 in) falling over just 2 days, contrasting sharply with June, which receives 51 mm (2.0 in) across 7 days. Additionally, humidity levels are higher in June at 84%, compared to 73% in August. For more detailed insights, you can visit Olympia weather in June.

In comparing the weather between July and August, we can observe that August generally experiences slightly higher temperatures, with an average of 19°C (66°F) compared to July's average of 18°C (65°F). Both months have a similar maximum temperature, with August peaking at 34°C (93°F) and July at 33°C (92°F). Precipitation levels are comparable as well, with August recording 12 mm (0.5 in) and July slightly lower at 9 mm (0.4 in), though both months see rainfall on about two days. Notably, humidity levels drop from 82% in July to 73% in August, contributing to a more comfortable atmosphere in the latter month. For a more detailed look at July's weather, visit Olympia weather in July.

August tends to be warmer than September, with temperatures typically ranging from a minimum of 9°C (49°F) to a maximum of 34°C (93°F) and an average of 19°C (66°F). In contrast, September sees cooler temperatures, with a minimum of 6°C (43°F), an average of 16°C (61°F), and a maximum of 31°C (88°F). While August experiences low precipitation levels at just 12 mm (0.5 in) over 2 days, September is significantly wetter, recording 88 mm (3.5 in) across 10 days. The humidity remains relatively consistent, with September slightly higher at 74%. For a more detailed look at September's weather, check out Olympia weather in September.

August and October present distinctly different weather patterns. In August, the temperatures range from a minimum of 9°C (49°F) to a maximum of 34°C (93°F), with an average of 19°C (66°F) and only light precipitation of 12 mm (0.5 in) over just 2 days, resulting in a relatively low humidity of 73%. In contrast, October sees much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 24°C (75°F), averaging 11°C (52°F). The month is significantly wetter, with precipitation totaling 133 mm (5.3 in) over 12 days, contributing to higher humidity levels at 83%. For more details on the weather during this month, you can check Olympia weather in October.

August and November present strikingly different weather conditions. August boasts a warmer climate with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 34°C (93°F), averaging 19°C (66°F). The month is relatively dry, with only 12 mm (0.5 in) of precipitation over just 2 days and a humidity level of 73%. In contrast, November experiences cooler temperatures with a minimum of -1°C (30°F) and a maximum of 17°C (62°F), averaging 8°C (46°F). This month is significantly wetter, receiving 192 mm (7.5 in) of precipitation over 17 days, coupled with higher humidity at 86%. For more details on November weather, visit Olympia weather in November.

The weather in August contrasts sharply with that of December. August boasts warmer temperatures, with averages around 19°C (66°F) and highs reaching up to 34°C (93°F), alongside relatively low precipitation of just 12 mm (0.5 in) over two days. In contrast, December experiences much colder conditions, with average temperatures dropping to 5°C (42°F), and temperatures can plummet to as low as -5°C (23°F). Additionally, December is characterized by significantly higher precipitation, totaling 203 mm (8.0 in) over 18 days, and increased humidity at 87%. For more detailed information on winter conditions, check out Olympia weather in December.

Compare Olympia's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Olympia

August in Olympia is a month of delightful contrasts, where the warmth peaks with maximum temperatures reaching up to 34°C (93°F) while average conditions remain a comfortable 19°C (66°F). This is a stark departure from the cooler months, with only minimal precipitation, often limited to just two days of light rain. The humidity hovers around a balmy 73%, adding a layer of tropical feel to the summer days. As summer wraps up, those seeking a blend of warmth and occasional refreshing showers will find August in Olympia simply irresistible. For more insights on the area's weather patterns, visit Olympia Climate.